吉林大学学报(工学版) ›› 2018, Vol. 48 ›› Issue (1): 229-235.doi: 10.13229/j.cnki.jdxbgxb20161416

• 论文 • 上一篇    下一篇

表面微沟槽对Al/CFRP胶结性能的影响

胡志清1, 郑会会2, 徐亚男2, 张春玲2, 党停停2   

  1. 1.吉林大学 辊锻工艺研究所 长春 130022;
    2.吉林大学 材料科学与工程学院 长春 130022
  • 收稿日期:2016-12-28 出版日期:2018-02-26 发布日期:2018-02-26
  • 作者简介:胡志清(1975-),男,副教授,博士.研究方向:材料加工. E-mail: zqhu@jlu.edu.cn
  • 基金资助:
    国家自然科学基金项目(51275201,51311130129); 吉林省重点科技攻关项目(20140204062GX)

Effect of Al surface with micro/macro grooves on Al/CFRP adhesive-bonded joints

HU Zhi-qing1, ZHENG Hui-hui2, XU Ya-nan2, ZHANG Chun-ling2, DANG Ting-ting2   

  1. 1. Roll Forging Research Institute, Jilin University, Changchun 130022,China;
    2. College of Materials Science and Engineering, Jilin University, Changchun 130022,China
  • Received:2016-12-28 Online:2018-02-26 Published:2018-02-26

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摘要： 以光洁表面和带有沟槽形貌特征的Al/CFRP(碳纤维增强复合材料)单搭接头胶结强度为研究对象,建立了相关的数值模拟模型。对比分析了光洁表面与微沟槽表面对胶结强度的影响,且进一步探讨了不同深度微沟槽对胶结强度的影响。数值模拟结果表明:带有微沟槽表面的5052板材与CFRP的胶结强度优于光洁表面与CFRP的胶结强度;增加微沟槽的深度能提高胶结强度,且随着微沟槽深度的增大,胶结强度逐渐增大。最后进行了试验验证,结果与数值模拟结果一致,即随着沟槽深度的增大,胶结接头破坏载荷不断升高,然而随着沟槽深度的进一步增大,破坏载荷增大趋势放缓。

关键词: 复合材料, 微沟槽, 铝合金, 粘接接头, 碳纤维增强复合材料

Abstract: A finite element model of adhesive joint of aluminum alloy 5025 sheet surface with or without grooves and Carbon Fiber Reinforced Polymer (CFRP) was built to evaluate the influence of the grooves on adhesive joint intensity. First, the adhesive joint intentions are compared and analyzed on the aluminum alloy with or without grooves and CFRP, and the effect of the groove depth on the adhesive joint intensity was discussed. The simulation results show that the adhesive joint intensity of aluminum alloy with grooves is better than that of aluminum alloy without grooves. Furthermore, the adhesive joint intensity increases with the groove depth. Then, experiments were carried out, and the results are in good accordance with the simulation results, verifying the simulation method. With the increase in the groove depth, the failure load of the adhesive joints grows continuously, however with further increase in the groove depth, the failure load increases slowly.

Key words: composite materials, micro/macro grooves, aluminum alloy, adhesive joints, carbon fiber reinforced polymer(CFRP)

中图分类号: 

  • TB333
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